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General: Introduce a polyfill for `is_iterable()` function added in PHP 7.1. 

Props jrf, schlessera, desrosj.
See #43619.
Built from https://develop.svn.wordpress.org/trunk@43036


git-svn-id: http://core.svn.wordpress.org/trunk@42865 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2018-04-30 04:15:21 +00:00
parent 5813ccec07
commit 94cbb2a3f6
2 changed files with 20 additions and 2 deletions
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20
wp-includes/compat.php
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@ -511,7 +511,7 @@ if ( ! function_exists( 'is_countable' ) ) {
* Polyfill for is_countable() function added in PHP 7.3. * Polyfill for is_countable() function added in PHP 7.3.
* *
* Verify that the content of a variable is an array or an object * Verify that the content of a variable is an array or an object
* implementing Countable. * implementing the Countable interface.
* *
* @since 4.9.6 * @since 4.9.6
* *
@ -523,3 +523,21 @@ if ( ! function_exists( 'is_countable' ) ) {
return ( is_array( $var ) || $var instanceof Countable ); return ( is_array( $var ) || $var instanceof Countable );
} }
} }
if ( ! function_exists( 'is_iterable' ) ) {
/**
* Polyfill for is_iterable() function added in PHP 7.1.
*
* Verify that the content of a variable is an array or an object
* implementing the Traversable interface.
*
* @since 4.9.6
*
* @param mixed $var The value to check.
*
* @return bool True if `$var` is iterable, false otherwise.
*/
function is_iterable( $var ) {
return ( is_array( $var ) || $var instanceof Traversable );
}
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '5.0-alpha-43034'; $wp_version = '5.0-alpha-43036';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.